title: Fiftieth anniversary editorial.
authors.forename: John
authors.initials: J
authors.lastname: Dixon
authors.forename: Jolanda
authors.initials: J
authors.lastname: Jetten
mesh_terms: D005544:Forecasting; D006801:Humans; D055811:Journal Impact Factor; D010506:Periodicals as Topic / Q000639:trends*; D011593:Psychology, Social / Q000639:trends*; D011643:Publishing / Q000639:trends*; D006113:United Kingdom